I-15SB On-Ramp over Santa Clara River
GoodWashington County, Utah · At Dixie Drive Intchg. · Structure no. 3F 807
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 303 ft
- 3 main spans
- Daily traffic
- 8,918
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
I-15SB On-Ramp over Santa Clara River is a prestressed concrete continuous stringer/multi-beam or girder carrying I-15SB On-Ramp over Santa Clara River in Washington County, Utah. It was built in 2012, so it is 13 years old, younger than the Utah average of 40.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,918 vehicles a day, roughly 25% of them trucks, projected to reach 10,702 by 2037. The structure is 303 ft (92.5 m) long and 55 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-15SB On-Ramp over Santa Clara River built?
It was built in 2012, making it 13 years old in 2025.
What condition is I-15SB On-Ramp over Santa Clara River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.
How much traffic does I-15SB On-Ramp over Santa Clara River carry?
About 8,918 vehicles per day (2017 count), of which roughly 25% are trucks.
How long is I-15SB On-Ramp over Santa Clara River?
The structure is 303 ft (92.5 m) long with a longest span of 114 ft (34.8 m) and a deck 55 ft wide.
Who owns I-15SB On-Ramp over Santa Clara River?
It is owned by the State Highway Agency.